After the rain, the grass is clean and dusty, the water is green and the beach is flat, and the area is full of spring. This sentence describes the characteristics of the stream after the rain.

(1) This question examines the characteristics of the scenery depicted in the poem. You should understand the poem when you answer it. "After the rain, the grass is clean and dusty, the water is green and the beach is flat, and the area is spring." It means: after the rain, the grass grows and the warbler flies, there is no dust, the stream is green, the beach is flat and the spring is bright. "These two sentences are about grass growing in the stream after the rain.

(2) This question examines students' understanding of the poet's feelings. "Only the cuckoo seems to stay." After the rain, the grass grows and the peach blossoms are in full bloom. They go boating as if they were near a fairyland. Cuckoo calls like a guest. Poets use anthropomorphic rhetoric to melt their feelings into the scenery and express their feelings through the scenery, so they can get corresponding answers.

Answer:

(1) The grass is luxuriant, beautiful and clear.

(2) After the rain, the grass grows, the peach blossoms are in full bloom, and the boat swims like a fairyland. Cuckoo cries and seems to keep coming home. The poet used anthropomorphic rhetoric to melt his feelings into the scenery, and used the scenery to express his feelings, writing the joy when facing the quiet and beautiful scenery.